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Abstract
IBM i 7.5 adds ZLIB compression to IBM i Main Storage Dump processing. The new ZLIB algorithm produces a smaller result and improves performance over existing options.
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You are in: IBM i Technology Updates > General IBM i Operating System > Compression with ZLIB algorithm - Main Storage Dump
Use of the ZLIB compression algorithm is now incorporated into the Main Storage Dump (MSD) processing. Test results show it is often faster than previously available algorithms and generally produces a smaller result, though actual results vary, as they depend on the compressibility of the data. The new algorithm automatically uses the Nest Accelerator (NX) GZIP when run in Power10 compatibility mode on a Power10 processor and is therefore less CPU-intensive than MSD processing in prior releases.
IBM i 7.5 PTF: MF69957
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Document Information
Modified date:
06 October 2022
UID
ibm16827231